, March 1, 2008 (ENS) - The U.S. Navy is violating federal law and a federal judge has enjoined the Navy from carrying out its undersea warfare exercises in Hawaii's waters without adhering to additional mitigation measures to protect marine mammals.
Hawaii federal district Judge David Ezra ruled Saturday that the Navy must use at least one dedicated aircraft for monitoring for marine mammals beginning 60 minutes before using sonar and continuing throughout the duration of each sonar exercise.
The Navy must "ramp up" sonar power slowly, by starting at a low level and increasing it, to allow marine mammals to escape.
In addition, the Navy must reduce sonar power by 6 decibels whenever a marine mammal is spotted within 1,500 meters of the vessel, by 10 decibels at 750 meters, and shut it down completely at 500 meters.
Judge Ezra also ordered the Navy to evaluate the impacts of its high-intensity, mid-frequency active sonar by preparing an environmental impact statement.
Humpack whale breaches in the Hawaii Humpback National Marine Sanctuary (Photo courtesy NOAA)
As many as 10,000 humpback whales may visit Hawaiian waters every year from November through May. Each year, they migrate from their summer home in icy Alaskan waters to their Hawaiian winter destination to breed and give birth. Many can be seen in the only national marine sanctuary dedicated to whales and their habitat - the the Hawaiian Islands Humpback Whale National Marine Sanctuary.
To protect the whales from Navy sonary, Earthjustice, on behalf of the Ocean Mammal Institute, the Animal Welfare Institute, KAHEA: The Hawaiian-Environmental Alliance, the Center for Biological Diversity, and the Surfrider Foundation's Kaua'i Chapter sued the Navy last May.
Judge Ezra issued a preliminary injunction after finding the Navy was violating the National Environmental Policy Act and the Coastal Zone Management Act and was likely to cause harm if allowed to proceed without greater protections.
The judge noted the Navy's harm threshold - 173 decibels - contradicts the best available science, and "cast into serious doubt the Navy's assertion that, despite over 60,000 potential exposures to MFA sonar, marine mammals will not be jeopardized."
Judge Ezra said further the Navy had failed to analyze reasonable alternatives to conducting its exercises in the manner it proposed, failed to notify and involve the public as required by law, and failed to take into account the potential for serious harm from an exceptionally controversial activity.
The judge pointed out the importance of proper military training, but concluded that the Navy could conduct effective training while taking greater precautions, and ordered the Navy to do so.
Specifically, Judge Ezra ordered that the Navy, in addition to following all of its proposed protocols, must also:
"Today's ruling affirms that the Navy is not above the law, and that it can, and must, take greater precautions to protect marine life from the devastating effects of its high-intensity sonar," said Paul Achitoff of Earthjustice.
The Navy's MFA sonar has been implicated in mass strandings of marine mammals in, among other places, the Bahamas (2000), Greece (1996), Madeira (2000), the Canary Islands (2002), and Spain (2006).
In 2004, during RIMPAC exercises, the Navy's sonar was implicated in a mass beaching of up to 200 melon-headed whales in Hanalei Bay on the island of Kauai, after which a whale calf died.
Brendan Cummings, Ocean Program director of the Center for Biological Diversity, commented the ruling shows "Hawaii's humpback whales and other marine life need not be sacrificed in order to protect national security."
Achitoff says the Navy has used all of the measures the court ordered today in previous exercises, as well as others, but has resisted continuing to use them.
Copyright Environment News Service (ENS) 2008. All rights reserved.
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